The valve cover is responsible for sealing the internal workings of the engines' top end. Most vehicles require a replacement gasket at some point or another and newer models have plastic valve covers that get brittle and crack with age.
A leaky valve cover gasket makes a mess of your engine, your garage, and allows the life-blood of your engine to escape. Replace leaky valve cover gaskets and always start with a fresh gasket after valve cover removal. Trouble trying to track down your leak? The easiest way to do so is by cleaning your engine, then examining for leaks.
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